Flow Drilling

Marcin, I wasn't sure if you were familiar with the flow drilling process. With the amount of tubing you work with I thought you might be interested.

Here is a video.

http://www.youtube.com/watch?v=NhkWINPRK3A

Here is how it works

http://www.wagnercompanies.com/Flowdrill.aspx

Here are the parts.

http://www.trick-tools.com/Flowdrill_760

I imagine you could get a tool holder for the Bridgeport and you'd be ready to roll. .